[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "8"]
[White "Guzman, River"]
[Black "Forero, Edwin Johann"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1745"]
[BlackElo "1923"]
[PlyCount "66"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nxd2 Bd7 10. 0-0 0-0-0 11. N4b3 Be6 12. c3 b6 13. Rad1 Ne7 14. Nc1 Ng6 15. g3 Ne5 16. Rfe1 Nc4 17. Nxc4 Bxc4 18. f4 Rxd1 19. Rxd1 Rd8 20. Rxd8+ Kxd8 21. Kf2 Ke7 22. Ke3 a5 23. a3 a4 24. Kf3 h6 25. Ke3 f5 26. exf5 Kf6 27. g4 h5 28. h3 Bf1 29. Ne2 Bxh3 30. gxh5 Kxf5 31. Ng3+ Kg4 32. Ne4 Kxh5 33. Ng5 Bf5 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "9"]
[White "Lopez Ramirez, Daniel Giovanny"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1876"]
[BlackElo "1745"]
[PlyCount "77"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be3 cxd4 7. cxd4 Bb4+ 8. Nbd2 b5 9. Be2 Nf6 10. 0-0 0-0 11. Ne5 Qd8 12. a4 bxa4 13. Qxa4 Nd5 14. Bf3 Bb7 15. Ndc4 f6 16. Nd3 Be7 17. Bd2 Nc6 18. Nc5 Bxc5 19. dxc5 Nd4 20. Bh5 Bc6 21. Qd1 e5 22. f4 Qe7 23. Nd6 Ne6 24. fxe5 Nxc5 25. Nf5 Qxe5 26. Qg4 Ra7 27. Bh6 g5 28. Bxf8 Kxf8 29. Qd4 Qxd4+ 30. Nxd4 Bd7 31. Ra5 Rc7 32. Rc1 Nd3 33. Rxc7 Nxc7 34. Ra3 Nf4 35. Bf3 Ke7 36. Bb7 Bb5 37. Nc6+ Kd6 38. Nb4 Kc5 39. Nxa6+ 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "6"]
[White "Casas Ospina, Favio"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1796"]
[BlackElo "1745"]
[PlyCount "69"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 a6 5. Nf3 e6 6. Bf4 b5 7. Rc1 Bb7 8. a3 b4 9. axb4 Bxb4 10. Qd4 Nc6 11. Qxg7 Qf6 12. Qg5 Qxg5 13. Bxg5 Na5 14. Nd2 Ne7 15. Be3 Rc8 16. Bd3 d5 17. 0-0 Rg8 18. f3 h5 19. exd5 Bxc3 20. bxc3 Nxd5 21. Rfe1 Rxc3 22. Rxc3 Nxc3 23. Bd4 Nb5 24. Bb6 Nc6 25. Ne4 Kf8 26. Nf6 Rh8 27. Nd7+ Ke7 28. Nc5 Bc8 29. Be4 Ne5 30. Nd3 Nxd3 31. Bxd3 Bb7 32. Bc5+ Kd7 33. Rd1 Bd5 34. Bb4 Rc8 35. Ra1 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "7"]
[White "Guzman, River"]
[Black "Lopez Romero, Karol Bibiana"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1745"]
[BlackElo "1857"]
[PlyCount "71"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. gxf3 Bxe5 9. Qxd8+ Rxd8 10. c3 Ne7 11. f4 Bf6 12. Be3 g6 13. Nd2 0-0 14. Nc4 b6 15. Rad1 Bg7 16. Kg2 f5 17. e5 Rd5 18. Kf3 Rfd8 19. Ke2 Bh6 20. Rxd5 cxd5 21. Rd1 Kf7 22. Na3 Ke8 23. Nc2 Nc6 24. h4 Kf7 25. Kf3 a5 26. Na3 Bf8 27. Nb5 Rd7 28. c4 Ne7 29. Nxc7 Rxc7 30. cxd5 Nxd5 31. Rxd5 Bc5 32. Bxc5 bxc5 33. b3 h6 34. Rd6 g5 35. hxg5 hxg5 36. fxg5 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "4"]
[White "Guzman, River"]
[Black "Vargas Diaz, David Alejandro"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1745"]
[BlackElo "1843"]
[PlyCount "78"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Ne7 4. Nc3 a6 5. a4 Ng6 6. Bg2 Qc7 7. d4 cxd4 8. Nxd4 h5 9. h4 Nc6 10. 0-0 Nce5 11. Nde2 Ng4 12. Nf4 N6e5 13. Qe2 b6 14. f3 Bc5+ 15. Kh1 Nf6 16. Nd3 Nxd3 17. Qxd3 Qxg3 18. Be3 Qxh4+ 19. Kg1 Qg5 20. f4 Bxe3+ 21. Qxe3 Ng4 22. Qxb6 Qh4 23. Rf3 Qh2+ 24. Kf1 Qh4 25. Ke2 Qd8 26. Qd4 f6 27. Rh3 Qc7 28. Rf1 Rb8 29. b3 Bb7 30. Qd2 f5 31. Bf3 Rc8 32. Bxg4 fxg4 33. Rd3 h4 34. f5 Rh5 35. fxe6 dxe6 36. Kd1 Rc5 37. Qf2 Qe7 38. Qd2 h3 39. Rf4 Qh4 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "5"]
[White "Zuluaga, Nicolas"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1691"]
[BlackElo "1745"]
[PlyCount "66"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. Nc3 Bg7 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 c5 8. Bxb8 Rxb8 9. Qa4+ Bd7 10. Qxa7 cxd4 11. cxd4 dxc4 12. e3 b5 13. Be2 Ra8 14. Qb7 Qa5+ 15. Nd2 e6 16. 0-0 Ra7 17. Nxc4 bxc4 18. Qb8+ Ke7 19. Qf4 Rc8 20. Rfc1 Qd2 21. Re1 c3 22. Rac1 c2 23. Kf1 Rb7 24. g3 e5 25. dxe5 Bh3+ 26. Kg1 Qxe1+ 27. Rxe1 c1Q 28. Qh4+ Kf8 29. Qxh3 Qxe1+ 30. Bf1 Rc1 31. Qg2 Qxf1+ 32. Qxf1 Rxf1+ 33. Kxf1 Bxe5 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "2"]
[White "Guzman, River"]
[Black "Caicedo, Jaime Andres"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1745"]
[BlackElo "1999"]
[PlyCount "78"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Qc7 6. Bg2 Nc6 7. Nb3 Nf6 8. 0-0 d6 9. Nc3 b5 10. a3 Be7 11. Qe2 0-0 12. f4 Bb7 13. Be3 Rac8 14. h3 Nd7 15. Qf2 Bf6 16. Nd4 Na5 17. Rad1 Nc4 18. Bc1 Nxa3 19. f5 Rce8 20. g4 Nc4 21. b3 b4 22. Ncb5 axb5 23. Nxb5 Qc6 24. bxc4 Be5 25. Bf4 Rd8 26. Nxd6 Bxf4 27. Nxb7 Bb8 28. Nxd8 Qc7 29. Qf3 Qxd8 30. c5 Qc7 31. Rxd7 Qxd7 32. Qd3 Qc7 33. Qe3 Ba7 34. Qb3 Re8 35. Rd1 Qxc5+ 36. Kh1 Qe5 37. Qxb4 Bb8 38. Kg1 Qh2+ 39. Kf1 Ba7 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "3"]
[White "Jaramillo, Carlos Orlando"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1825"]
[BlackElo "1745"]
[PlyCount "93"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 0-0 5. f4 d5 6. Nf3 Nc6 7. a3 Bf5 8. d4 e6 9. Nbd2 Ne7 10. Ne5 Ne4 11. c5 Nxd2 12. Qxd2 Be4 13. Bd3 Bxd3 14. Qxd3 c6 15. a4 Nf5 16. 0-0 Qc7 17. Bc3 a6 18. g4 Nh6 19. h3 f6 20. Nf3 Nf7 21. Kg2 Rae8 22. b5 axb5 23. axb5 e5 24. b6 Qb8 25. fxe5 fxe5 26. dxe5 Nxe5 27. Nxe5 Bxe5 28. Bxe5 Qxe5 29. Rxf8+ Rxf8 30. Qd4 Qe7 31. Rf1 Re8 32. Rf3 Ra8 33. Qf6 Qxf6 34. Rxf6 Rd8 35. Rf4 Kg7 36. Kf3 Ra8 37. g5 Re8 38. Rf6 h6 39. h4 Re7 40. h5 Rf7 41. Rxf7+ Kxf7 42. hxg6+ Kxg6 43. gxh6 Kxh6 44. Kf4 Kg6 45. Ke5 Kg5 46. Kd6 Kf5 47. Kc7 1-0

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.04"]
[Round "6"]
[White "Guzman, River"]
[Black "Guevara Acosta, Brahian Alejandro"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1778"]
[BlackElo "1419"]
[PlyCount "48"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. Qd2 0-0 10. Bh6 Qa5 11. Bxg7 Kxg7 12. 0-0 Ne5 13. Nb3 Qc7 14. Qd4 Qc4 15. Qe3 Qc7 16. Nd2 Neg4 17. Qg3 Qb6 18. Rab1 Rac8 19. Kh1 h5 20. Nf3 Qa5 21. h3 Rxc3 22. bxc3 Nxe4 23. Qh4 g5 24. Qxh5 Ngf6 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.04"]
[Round "7"]
[White "Medina Baquiro, Paula Andrea"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1329"]
[BlackElo "1778"]
[PlyCount "46"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 b5 7. a3 e5 8. Nde2 Nc6 9. Bg5 Be6 10. 0-0 Rc8 11. Qd2 h6 12. Bh4 Nxe4 13. Nxe4 Qxh4 14. N2g3 Be7 15. Be2 d5 16. Nc3 Rd8 17. Rad1 0-0 18. Na2 f5 19. h3 f4 20. Nh1 e4 21. g3 fxg3 22. fxg3 Bc5+ 23. Kh2 Qxh3# 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.03"]
[Round "4"]
[White "Guzman, River"]
[Black "Molina Valdes, Luisa Fernanda"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1778"]
[BlackElo "1568"]
[PlyCount "114"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Bd6 8. f4 Ke7 9. Nf3 h6 10. Bh4 g5 11. fxg5 hxg5 12. Bxg5 Nbd7 13. Bb5 c6 14. Be2 Rag8 15. h4 Bc7 16. Rhf1 Ke8 17. g3 Nh5 18. Be3 Nxg3 19. Rg1 Nxe2+ 20. Nxe2 Bg4 21. Rdf1 Bb8 22. Rf2 Bxf3 23. Rxg8+ Rxg8 24. Rxf3 Rh8 25. Rh3 Nf6 26. Ng3 Ng4 27. Bg1 b6 28. Kd2 Bc7 29. Ke2 Bd8 30. Kf3 Nf6 31. Nf5 Bc7 32. h5 Kf8 33. h6 Nh7 34. Be3 Bd8 35. Rg3 Rg8 36. Rxg8+ Kxg8 37. Nd6 c5 38. Kg4 Bc7 39. Nc8 Nf6+ 40. Kf5 Nh5 41. Ne7+ Kh7 42. Nd5 Ng3+ 43. Kg4 Nf1 44. Bg5 Bd6 45. Kh5 Ng3+ 46. Kg4 Nxe4 47. Be3 Kg6 48. h7 f5+ 49. Kf3 Kxh7 50. a3 Kg6 51. b4 cxb4 52. axb4 Ng5+ 53. Ke2 f4 54. Bg1 Kf5 55. c4 Ne6 56. Bf2 e4 57. b5 Ke5 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.03"]
[Round "5"]
[White "Leal, Dayana Vanessa"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "1576"]
[BlackElo "1778"]
[PlyCount "58"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 0-0 6. h5 gxh5 7. cxd5 c5 8. dxc6 Nxc6 9. d5 Nb4 10. e4 Qc7 11. Bd3 Bg4 12. a3 Nxd3+ 13. Qxd3 Rfd8 14. Nd4 Rac8 15. Nde2 Qc4 16. Qxc4 Rxc4 17. f3 Bc8 18. Nf4 e6 19. Nxh5 Nxh5 20. Rxh5 Rxc3 21. Bg5 Re8 22. d6 Rb3 23. Be7 Bd7 24. Rg5 h6 25. Rg3 Kh7 26. Rc1 Be5 27. Rg4 h5 28. Rg5 Bf4 29. Rxh5+ Kg6 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.02"]
[Round "2"]
[White "Guzman, River"]
[Black "Florez Caceres, Rafael Omar"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1778"]
[BlackElo "1654"]
[PlyCount "78"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Bf3 Be7 7. 0-0 d6 8. c4 0-0 9. Nc3 Nbd7 10. Re1 Qc7 11. Be2 b6 12. Be3 Bb7 13. f3 Rfe8 14. Rc1 Rac8 15. Bf1 Qb8 16. g4 h6 17. Qd2 Ne5 18. b3 Rcd8 19. Bf4 Ng6 20. Bg3 Qa8 21. Bg2 Bf8 22. Na4 Nd7 23. Nc2 b5 24. cxb5 axb5 25. Nc3 b4 26. Nb5 Qxa2 27. Nc7 Nc5 28. Qxb4 Nd3 29. Qxb7 Nxc1 30. Nb4 Qd2 31. Nxe8 Nf4 32. Bf1 Nce2+ 33. Bxe2 Nxe2+ 34. Kf1 Nxg3+ 35. hxg3 d5 36. Nc6 Rxe8 37. exd5 Bc5 38. Re2 Qd1+ 39. Re1 Qxf3# 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.02"]
[Round "3"]
[White "Leal Ortega, Jose del Carmen"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1602"]
[BlackElo "1778"]
[PlyCount "90"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 Bd7 9. Rb1 Qc8 10. Nf4 a6 11. a3 Nd4 12. Be3 Ng4 13. h3 Nxe3 14. fxe3 Ne6 15. Ncd5 Qd8 16. b4 Nxf4 17. Nxf4 Rb8 18. bxc5 dxc5 19. Nd5 b5 20. Qd2 e6 21. Nf4 Bc6 22. cxb5 Bxb5 23. Rfd1 Qd6 24. Kh2 Rfd8 25. Qa5 Be5 26. a4 Bxf4 27. exf4 Bxd3 28. Rxb8 Rxb8 29. Qc3 c4 30. e5 Qb6 31. Rd2 Qb4 32. Rxd3 cxd3 33. Qxd3 Qxa4 34. Qd6 Qb5 35. h4 a5 36. Qe7 Qb4 37. Qf6 Qd2 38. Kh3 h5 39. Bf3 Qd8 40. g4 Qxf6 41. exf6 hxg4+ 42. Kxg4 a4 43. Kg5 a3 44. h5 Rb5+ 45. Kh4 Rxh5+ 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.01"]
[Round "1"]
[White "Bedoya Gil, Hernan"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1381"]
[BlackElo "1778"]
[PlyCount "74"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 d6 4. Nf3 Nc6 5. h3 g6 6. Bc4 Bg7 7. d3 Nf6 8. Bg5 0-0 9. Qd2 Qc7 10. Bh6 e6 11. 0-0 Rd8 12. Bxg7 Kxg7 13. Rfe1 Nb4 14. e5 Ne8 15. Na2 d5 16. Nxb4 dxc4 17. Na2 cxd3 18. cxd3 Qd7 19. Nc1 b6 20. b4 c4 21. Re3 Bb7 22. Ra3 Nc7 23. Ne1 Nd5 24. Rg3 c3 25. Qc2 Rdc8 26. Na2 Qe7 27. Rg4 a5 28. Rb3 Qc7 29. d4 Qc4 30. Nd3 axb4 31. Naxb4 Rxa4 32. Nxd5 Bxd5 33. Rxb6 Ra2 34. Qb1 c2 35. Qf1 Qxd3 36. Qxd3 c1Q+ 37. Kh2 Rc3 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "9"]
[White "Montoya Molina, Juan Esteban"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B88"]
[WhiteElo "1752"]
[BlackElo "1837"]
[PlyCount "63"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. Be3 d6 7. Bc4 Be7 8. Nc3 Qc7 9. Bb3 0-0 10. Qd2 Nc6 11. 0-0-0 Na5 12. Rdg1 Nd7 13. g4 Ne5 14. Qf2 Nec4 15. h4 Nxe3 16. Qxe3 Nc4 17. Bxc4 Qxc4 18. f4 b5 19. a3 Bb7 20. g5 d5 21. exd5 Bc5 22. Rd1 exd5 23. Kb1 Rfe8 24. Qd2 b4 25. axb4 Bxb4 26. Rh3 a5 27. Qd3 Qxd3 28. Rhxd3 Rac8 29. Nf5 Bxc3 30. Rxc3 Rxc3 31. bxc3 Bc6 32. Nd4 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "7"]
[White "Florez, Santiago"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1667"]
[BlackElo "1837"]
[PlyCount "54"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 0-0 8. Be2 c5 9. 0-0 cxd4 10. cxd4 Nc6 11. Be3 Bg4 12. d5 Bxa1 13. Qxa1 Bxf3 14. Bxf3 Na5 15. Bh6 f6 16. Bxf8 Qxf8 17. Qc3 Qd8 18. Rc1 Kf8 19. e5 Rb8 20. exf6 exf6 21. Qc5+ Kg7 22. d6 b5 23. Qxa7+ Kh6 24. Rc7 Nc4 25. Rxh7+ Kg5 26. h4+ Kf5 27. Qc5+ Ne5 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "6"]
[White "Guzman, River"]
[Black "Vasquez, Rafael1111"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1837"]
[BlackElo "1765"]
[PlyCount "91"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. Nc3 g6 8. f3 Bg7 9. Be3 Nc6 10. Qd2 0-0 11. Nde2 Ne5 12. Bh6 Nc4 13. Qc1 d5 14. Bxg7 Kxg7 15. b3 d4 16. Nd1 d3 17. bxc4 dxe2 18. Kxe2 Qd4 19. Ne3 e5 20. Rd1 Qc5 21. a4 Nh5 22. g3 Qc8 23. Rd5 Qh3 24. Qh1 Rae8 25. Rad1 Re7 26. Qg2 Qc8 27. Kf1 f5 28. exf5 Rxf5 29. Nxf5+ gxf5 30. Qe2 Nf6 31. Rxe5 Rxe5 32. Qxe5 Qxc4+ 33. Kg1 Qxc2 34. Rd6 Qc1+ 35. Kg2 Qg5 36. f4 Qg6 37. Qe7+ Qf7 38. Qe5 Qg6 39. a5 h5 40. h4 a6 41. Rb6 Qf7 42. Qxf5 Qe7 43. Qe5 Qxe5 44. fxe5 Ng4 45. Rxb7+ Kg6 46. Rb6+ 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.23"]
[Round "5"]
[White "Riscanevo, Camilo Andres"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1537"]
[BlackElo "1837"]
[PlyCount "16"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Be3 e6 7. Qd2 Be7 8. Bd3 Qc7 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "3"]
[White "Gomez Vasquez, Laura Sofia"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1603"]
[BlackElo "1837"]
[PlyCount "49"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd8 9. Be3 Nf6 10. Ne5 Bxe2 11. Qxe2 Be7 12. 0-0 0-0 13. Qf3 Nd5 14. Rac1 f6 15. Nd3 Nc6 16. Qh3 f5 17. Nxd5 Qxd5 18. b3 Ba3 19. Rcd1 Rad8 20. Nf4 Qd6 21. d5 Rfe8 22. g3 exd5 23. Rxd5 Qc7 24. Rxd8 Qxd8 25. Qxf5 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "2"]
[White "Guzman, River"]
[Black "Restrepo, Hugo"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "1837"]
[BlackElo "1724"]
[PlyCount "101"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 0-0 10. 0-0 b6 11. Be3 Bb7 12. f3 Rc8 13. Qb3 Nd7 14. Rfd1 Qc7 15. Rac1 Na5 16. Qc2 Qb8 17. Qd2 Rfd8 18. Qe1 Ba8 19. Qf2 Bf6 20. Bd4 Nc6 21. Bxf6 Nxf6 22. Na4 Nd7 23. Qg3 Nc5 24. Nc3 e5 25. Nc2 Ne6 26. Nd5 Kh8 27. f4 Ncd4 28. Nxd4 Nxd4 29. Bg4 Bxd5 30. Rxd4 exd4 31. Bxc8 Bxe4 32. Bxa6 Qa8 33. Bb5 Qxa2 34. Qf2 Qa8 35. Qxd4 Bxg2 36. Qxb6 Bh3 37. Bc6 Qc8 38. Kh1 d5 39. Rd1 d4 40. Bd5 d3 41. Rxd3 Bf5 42. Rg3 h5 43. Qd4 f6 44. h3 Re8 45. Kh2 Re2+ 46. Rg2 Qe8 47. Rxe2 Qxe2+ 48. Bg2 Bd3 49. c5 f5 50. Qg1 h4 51. Kh1 1/2-1/2

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.06.04"]
[Round "10"]
[White "Urbano, Santiago"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1426"]
[BlackElo "1858"]
[PlyCount "27"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be3 cxd4 7. cxd4 e6 8. Nc3 Qd8 9. Bd3 Be7 10. 0-0 0-0 11. Rc1 Nbd7 12. Bb1 b5 13. Qd3 Bb7 14. Ng5 1/2-1/2

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.06.03"]
[Round "9"]
[White "Guzman, River"]
[Black "Agudelo, Carlos Hernan"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1858"]
[BlackElo "2044"]
[PlyCount "66"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Bf3 Qc7 7. 0-0 d6 8. Re1 Be7 9. Nc3 0-0 10. a4 Nbd7 11. g3 Ne5 12. Bg2 Nc4 13. Kh1 Bd7 14. f4 e5 15. Nf5 Bd8 16. b3 Na5 17. Bb2 Bxf5 18. exf5 exf4 19. g4 Re8 20. g5 Rxe1+ 21. Qxe1 Nd7 22. Qe8+ Nf8 23. Re1 Qc8 24. g6 hxg6 25. fxg6 fxg6 26. Bd5+ Kh7 27. Qxf8 Bf6 28. Qxf6 gxf6 29. Ne4 Qxc2 30. Bxf6 Rf8 31. Bg5 Nc6 32. Bh4 Ne5 33. Be7 Rf5 0-1

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.06.03"]
[Round "8"]
[White "Renteria Rodriguez, Henry"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "1930"]
[BlackElo "1858"]
[PlyCount "35"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. e3 Nf6 7. Be2 0-0 8. 0-0 b6 9. b3 Bb7 10. Ba3 Re8 11. Rc1 d6 12. Bf3 Rc8 13. Ncb5 Qd7 14. Bxc6 Bxc6 15. Nxc6 Rxc6 16. Qf3 Rec8 17. Nd4 R6c7 18. Rfd1 1/2-1/2

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.06.02"]
[Round "6"]
[White "Guzman, River"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1858"]
[BlackElo "2045"]
[PlyCount "104"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Be2 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qc4 12. b3 Qb4 13. Nxc6 Qxd2+ 14. Kxd2 bxc6 15. Rad1 Bf5 16. Kc1 h5 17. a4 Rfc8 18. Bc5 Bh6+ 19. Kb2 e5 20. Rhe1 Bg7 21. c3 a5 22. Bd6 f6 23. Be4 Bxe4 24. Rxe4 Rd8 25. Ree1 Kf7 26. Bc7 Rd5 27. c4 Rxd1 28. Rxd1 Bf8 29. Bb6 Ke6 30. c5 h4 31. Kc3 e4 32. Kc4 f5 33. Rd8 Rxd8 34. Bxd8 h3 35. g3 Bh6 36. Bxa5 f4 37. Be1 fxg3 38. fxg3 Be3 39. a5 Kd7 40. b4 Bg1 41. b5 cxb5+ 42. Kd5 Bxh2 43. Kxe4 Bg1 44. Kf3 Bxc5 45. g4 h2 46. Kg2 Bd6 47. Bf2 b4 48. a6 Kc6 49. a7 Kb7 50. Bd4 b3 51. Kh1 Ba3 52. Kxh2 g5 0-1

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.06.01"]
[Round "5"]
[White "Guzman, River"]
[Black "Ramirez Arias, Jacobo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1858"]
[BlackElo "1459"]
[PlyCount "62"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. d4 Bf5 5. Nf3 Nb4 6. Bb3 N8c6 7. a3 Nd5 8. 0-0 e6 9. Re1 Be7 10. c4 Nb6 11. Nc3 0-0 12. Ba2 Bg4 13. d5 exd5 14. cxd5 Na5 15. Qd4 Bxf3 16. gxf3 Bf6 17. Qb4 Re8 18. Bd2 Bxc3 19. Qxc3 Rxe1+ 20. Rxe1 Qd6 21. Qxa5 Qg6+ 22. Kh1 Qf5 23. Qc3 Rd8 24. Rg1 g6 25. Bh6 f6 26. d6+ Kh8 27. dxc7 Rd3 28. Qxd3 Qxd3 29. Kg2 g5 30. Re1 Qd7 31. Re6 Qxc7 1-0

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.06.01"]
[Round "4"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2155"]
[BlackElo "1858"]
[PlyCount "55"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 0-0 8. Rb1 c5 9. Be2 cxd4 10. cxd4 Nc6 11. d5 Nb8 12. 0-0 Nd7 13. Ba3 Re8 14. Qb3 a6 15. Rfd1 b5 16. Nd4 Qb6 17. Nc6 Bf6 18. Bc1 Ne5 19. Be3 Qb7 20. Nxe5 Bxe5 21. f4 Bd6 22. Bf3 Qd7 23. Rbc1 Bb8 24. Kh1 Ba7 25. Bd2 Bb7 26. h3 Rad8 27. Ba5 Rb8 28. Rc7 1-0

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.05.31"]
[Round "3"]
[White "Guzman, River"]
[Black "Medina Barrios, Lina Maria"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1858"]
[BlackElo "1515"]
[PlyCount "47"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 b5 6. 0-0 Qc7 7. a4 b4 8. Be3 Nf6 9. Nd2 d5 10. Bf3 Bb7 11. exd5 Nxd5 12. Bxd5 Bxd5 13. Qg4 Nd7 14. Rfe1 g6 15. Bg5 Bd6 16. Bh6 Bxh2+ 17. Kh1 Bd6 18. c4 bxc3 19. bxc3 Nf6 20. Qg5 Nh5 21. Qxd5 Kd7 22. Rxe6 fxe6 23. Qxe6+ Kd8 24. Bg5+ 1-0

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.05.31"]
[Round "2"]
[White "Molina, Luisa Fernanda"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1564"]
[BlackElo "1858"]
[PlyCount "79"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. c3 d5 5. e5 e6 6. d3 Nge7 7. Be2 Nf5 8. Na3 Be7 9. 0-0 h5 10. Nc2 d4 11. a3 a5 12. Bd2 b6 13. Rb1 Ba6 14. b4 dxc3 15. b5 cxd2 16. bxa6 0-0 17. Qxd2 Ncd4 18. Ne3 Nxe3 19. Qxe3 Rxa6 20. Kh1 Ra7 21. Rb2 Nxe2 22. Qxe2 c4 23. dxc4 Bxa3 24. Rb3 Bc5 25. Nd2 Qc7 26. Ne4 Bb4 27. Rg3 Kg7 28. Nf6 Rh8 29. Nxh5+ Kf8 30. Nf6 a4 31. Rd1 a3 32. Rgd3 a2 33. Ra1 Rh4 34. Rxa2 Rxf4 35. Rxa7 Qxa7 36. Rd8+ Kg7 37. Rg8+ Kh6 38. h3 Qa1+ 39. Kh2 Bc5 40. Rh8+ 1/2-1/2

[Event "COL pre olympic sf3"]
[Site "Dosquebradas"]
[Date "2018.05.30"]
[Round "1"]
[White "Guzman, River"]
[Black "Hernandez, Cristian Andres"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1858"]
[BlackElo "2312"]
[PlyCount "58"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 0-0 10. f4 exf4 11. Rxf4 Nc6 12. Nd5 Nd7 13. Nxe7+ Qxe7 14. Qd2 Nde5 15. Rd1 Rfd8 16. Nd4 Nxd4 17. Qxd4 Rac8 18. Qd2 Qc7 19. Rc1 Qc6 20. Qd4 Bc4 21. Bg4 Be6 22. Bxe6 fxe6 23. b3 b5 24. Qb6 Rd7 25. Qxc6 Rxc6 26. Bd2 Rdc7 27. Rcf1 Ng6 28. R4f2 Rxc2 29. h4 h5 0-1

[Event "Caldense-ch"]
[Site "Manizales"]
[Date "2017.10.29"]
[Round "7"]
[White "Guzman, River"]
[Black "Lopez Morales, Ruben Alfonso"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "1870"]
[BlackElo "1673"]
[PlyCount "27"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 a6 5. Ba4 b5 6. Bb3 d6 7. c3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Re1 Na5 11. Bc2 Nec6 12. a4 Be7 13. axb5 axb5 14. Qe2 1-0

[Event "Caldense-ch"]
[Site "Manizales"]
[Date "2017.10.29"]
[Round "8"]
[White "Ramirez Florez, Edwin"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "1774"]
[BlackElo "1870"]
[PlyCount "73"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 e5 7. Nde2 b5 8. Bg2 Bb7 9. Bg5 Be7 10. Bxf6 gxf6 11. Bh3 Nd7 12. Nd5 Nc5 13. Nec3 Ne6 14. Ne3 h5 15. Nf5 Rc8 16. Nd5 Bf8 17. a4 Rc4 18. axb5 Rxe4+ 19. Kf1 Nd4 20. c3 Bxd5 21. cxd4 Bc4+ 22. Kg1 Bxb5 23. Bg2 Rg4 24. Rxa6 e4 25. Bf1 Bd7 26. Nxd6+ Bxd6 27. Rxd6 Qb8 28. Ra6 0-0 29. Rxf6 Qxb2 30. Bh3 Ra8 31. Kg2 e3 32. Re1 Kg7 33. Qf3 Qxf2+ 34. Qxf2 exf2 35. Rxf2 Rxd4 36. Re7 Bc6+ 37. Kg1 1/2-1/2

[Event "Caldense-ch"]
[Site "Manizales"]
[Date "2017.10.27"]
[Round "3"]
[White "Guzman, River"]
[Black "Obando Yandun, Dario Andres"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "1870"]
[PlyCount "92"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 dxc4 7. Bxc4 Be7 8. 0-0 0-0 9. Bf4 a6 10. Re1 Nbd7 11. a4 Nb6 12. Bb3 Nbd5 13. Bg5 Nxc3 14. bxc3 Nd7 15. Bxe7 Qxe7 16. d5 Nc5 17. d6 Qf6 18. Ne5 Nd7 19. Qd4 Nxe5 20. Rxe5 Bd7 21. Rd1 Rac8 22. Qe3 Rfd8 23. c4 h6 24. c5 Bc6 25. Bc2 Bd7 26. Rd4 Rf8 27. Rf4 Qd8 28. Qe4 f5 29. Qxb7 Qf6 30. Re1 Rxc5 31. Qxd7 Rxc2 32. g3 e5 33. Rb4 Rd8 34. Qe7 Rxd6 35. Qe8+ Kh7 36. Qxe5 Qxe5 37. Rxe5 Kg6 38. Rf4 Rf6 39. Kg2 Rc7 40. Kf3 Rcf7 41. Ke3 Rd6 42. a5 Rff6 43. Rd4 Rc6 44. Kd3 Rc7 45. Red5 Rcc6 46. Rc4 Rce6 1-0

[Event "Caldense-ch"]
[Site "Manizales"]
[Date "2017.10.27"]
[Round "4"]
[White "Nieto Medina, Agustin"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2060"]
[BlackElo "1870"]
[PlyCount "41"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 g6 7. f3 Bg7 8. Qd2 0-0 9. Bc4 b5 10. Bb3 Bb7 11. Bh6 Nbd7 12. h4 Qb6 13. 0-0-0 Rfc8 14. Bxg7 Kxg7 15. h5 Ng8 16. hxg6 hxg6 17. Qg5 Rc5 18. Nf5+ Kf8 19. Rh7 Ne5 20. Rh8 Nc4 21. Qxe7# 1-0

[Event "Caldense-ch"]
[Site "Manizales"]
[Date "2017.10.26"]
[Round "2"]
[White "Dabraccio, Guillermo"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1687"]
[BlackElo "1870"]
[PlyCount "82"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 0-0 8. Be3 c5 9. Bc4 cxd4 10. cxd4 Nc6 11. 0-0 Bg4 12. Rb1 Bxf3 13. gxf3 Bxd4 14. Bxd4 Nxd4 15. Rxb7 e5 16. f4 Qc8 17. Bd5 Qh3 18. f3 Rac8 19. fxe5 Rc2 20. Rf2 Rxf2 21. Kxf2 Qxh2+ 22. Ke3 Nc2+ 23. Kd3 Rc8 24. Bxf7+ Kf8 25. Bd5 Ne1+ 26. Qxe1 Qc2+ 27. Ke3 Rc3+ 28. Qxc3 Qxc3+ 29. Ke2 Qc2+ 30. Ke3 Qc3+ 31. Ke2 g5 32. Rf7+ Ke8 33. Rg7 Qc2+ 34. Ke3 Qb2 35. Kd3 Qb3+ 36. Ke2 Qb2+ 37. Ke3 h5 38. Bf7+ Kf8 39. Rh7 Qxe5 40. Bxh5 Qf4+ 41. Kf2 Qd2+ 0-1

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.16"]
[Round "9"]
[White "Guzman, River"]
[Black "Godoy, Jose Israel"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1870"]
[PlyCount "69"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Bd3 Be6 6. cxd5 Bxd5 7. Qe2+ Be7 8. f3 Nf6 9. Nc3 Be6 10. Be3 Nbd7 11. g4 Nb6 12. Nh3 Nfd5 13. Nxd5 Nxd5 14. Bd2 Bh4+ 15. Kf1 0-0 16. Rd1 Qb6 17. Bg5 Bxg5 18. Nxg5 Rfe8 19. Bxh7+ Kf8 20. Qd2 g6 21. Nxe6+ Rxe6 22. Qh6+ Ke7 23. Rd2 Qb5+ 24. Kf2 Re8 25. Re1 Rxe1 26. Kxe1 Kd7+ 27. Kf2 Ne3 28. Qh3 Qg5 29. Re2 Nd5 30. Rxe8 Kxe8 31. Qg3 Qe3+ 32. Kf1 Nf4 33. h4 Qe2+ 34. Kg1 Qe7 35. Kh1 0-1

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.15"]
[Round "8"]
[White "Barrios, Felipe"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1972"]
[BlackElo "1870"]
[PlyCount "89"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 b5 9. 0-0-0 Bb7 10. Bd3 Nbd7 11. g4 b4 12. Nce2 Be7 13. Bxf6 Nxf6 14. g5 Nd7 15. h4 0-0-0 16. Kb1 Kb8 17. Rc1 Qb6 18. h5 Nc5 19. Qg2 f5 20. gxf6 Bxf6 21. Nb3 Na4 22. c3 bxc3 23. Nxc3 Nxc3+ 24. bxc3 a5 25. Qg1 Qxg1 26. Rhxg1 a4 27. Nd4 Rhe8 28. Ne2 Kc7 29. Kc2 Bc6 30. Rb1 Rb8 31. Rb4 Rb6 32. Rgb1 Reb8 33. a3 d5 34. e5 Be7 35. Rxb6 Rxb6 36. Rxb6 Kxb6 37. Kb2 h6 38. Nd4 Bd7 39. f5 exf5 40. e6 Be8 41. Nxf5 Bf6 42. Be2 Kc5 43. Kc2 d4 44. cxd4+ Bxd4 45. Bf3 1/2-1/2

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.15"]
[Round "7"]
[White "Hernandez Fernandez, Noel"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "1902"]
[BlackElo "1870"]
[PlyCount "50"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. c4 d5 6. Nc3 c6 7. h3 Nbd7 8. Qb3 dxc4 9. Bxc4 Nb6 10. Bd3 Be6 11. Qc2 Nbd5 12. Be5 Nb4 13. Qd2 Nxd3+ 14. Qxd3 Qa5 15. 0-0 Rad8 16. a3 Bb3 17. Ne4 Nxe4 18. Qxb3 Bxe5 19. dxe5 Nc5 20. Qc4 Ne6 21. Qh4 Rd7 22. Qh6 Rfd8 23. Rac1 Qa4 24. Ng5 Nxg5 25. Qxg5 Qb5 1/2-1/2

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.14"]
[Round "6"]
[White "Guzman, River"]
[Black "Gonzalez, Guillermo1111"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1870"]
[PlyCount "43"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Nb3 Be6 10. 0-0-0 a5 11. a4 Rc8 12. Kb1 Nb4 13. Qf2 Bc4 14. Rd2 Nd7 15. Bd4 Bxb3 16. cxb3 Bxd4 17. Qxd4 Qc7 18. Bb5 Nc5 19. Bc4 Ne6 20. Qe3 Qc5 21. Re1 Qxe3 22. Rxe3 1/2-1/2

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.14"]
[Round "5"]
[White "Suaza, Jose Neyitd"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "1769"]
[BlackElo "1870"]
[PlyCount "82"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. f3 g6 7. Bc4 Qc7 8. Bb3 Bg7 9. Be3 0-0 10. Qd2 Nbd7 11. Bh6 Nc5 12. Bxg7 Kxg7 13. Qg5 Nxb3 14. cxb3 h6 15. Qd2 e5 16. Nde2 Be6 17. h4 Rfd8 18. Rc1 Qa5 19. 0-0 d5 20. exd5 Nxd5 21. Qe1 Ne3 22. Rf2 Nf5 23. g3 Rac8 24. Kh2 Rd3 25. Ng1 Rcd8 26. b4 Qc7 27. Ne4 Qe7 28. Nc5 Re3 29. Nxe6+ Qxe6 30. Re2 Rxe2+ 31. Qxe2 Qd6 32. Rc5 f6 33. Kh3 Rd7 34. g4 Nd4 35. Qc4 Ne6 36. Rc8 Rc7 37. Rxc7+ Nxc7 38. Qc5 Qxc5 39. bxc5 Ne6 40. b4 Nd4 41. a4 Kf7 0-1

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.12"]
[Round "4"]
[White "Guzman, River"]
[Black "Riascos, Guillermo"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1870"]
[BlackElo "1799"]
[PlyCount "52"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6 8. f3 Bc5 9. Be3 Bb6 10. Nd2 0-0 11. Nc4 Ba7 12. Kf2 Re8 13. Rhd1 Nd7 14. Bf4 Bxd4+ 15. Rxd4 Nc5 16. Bg3 Ne6 17. Rd2 f6 18. Rad1 a5 19. e5 f5 20. f4 Nc5 21. Rd8 Kf7 22. Kf3 Be6 23. Rxe8 Kxe8 24. Ne3 a4 25. Be1 g6 26. a3 Ne4 0-1

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.12"]
[Round "3"]
[White "Silva, Jorge"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1997"]
[BlackElo "1870"]
[PlyCount "91"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 Be7 9. 0-0-0 0-0 10. Bd3 Nc6 11. Nde2 b5 12. Rhe1 Bb7 13. Qh3 Nb4 14. Ng3 Nxd3+ 15. Rxd3 b4 16. Nd1 Rfc8 17. Rd2 a5 18. Kb1 a4 19. Bxf6 Bxf6 20. Nh5 b3 21. Nxf6+ gxf6 22. Nc3 a3 23. cxb3 axb2 24. Kxb2 Qa5 25. a4 Qb4 26. Qg3+ Kf8 27. Qd3 Ra6 28. Qd4 Qa5 29. b4 e5 30. bxa5 exd4 31. Rxd4 Ke7 32. Red1 Rac6 33. Nd5+ Ke6 34. R1d2 Ra8 35. Nb4 Rc7 36. Rxd6+ Ke7 37. a6 Bxe4 38. R6d4 f5 39. Rxe4+ fxe4 40. Nd5+ Kd6 41. Nb6+ Kc6 42. Nxa8 Ra7 43. Rc2+ Kd6 44. Nb6 Rxa6 45. a5 Ke6 46. Rc5 1-0

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.11"]
[Round "2"]
[White "Guzman, River"]
[Black "Llano, Antonio"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "1870"]
[BlackElo "1581"]
[PlyCount "59"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. f3 a6 8. Qd2 Nc6 9. Nb3 0-0 10. Bh6 Be6 11. 0-0-0 Qc7 12. Bxg7 Kxg7 13. h4 h5 14. Kb1 Ne5 15. Be2 Bc4 16. Nd4 Rfc8 17. Qg5 e6 18. g4 Nh7 19. Qe3 Bxe2 20. Qxe2 Qc4 21. Qxc4 Rxc4 22. g5 Rac8 23. f4 Ng4 24. Rd2 e5 25. Nf3 R4c6 26. Nd5 Kf8 27. f5 Rd8 28. Rf1 Rd7 29. fxg6 Kg7 30. gxh7 1-0

[Event "Pan American-ch Seniors 50"]
[Site "Neiva"]
[Date "2017.10.11"]
[Round "1"]
[White "Madeira, Wagner Martins"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2167"]
[BlackElo "1870"]
[PlyCount "43"]
[EventDate "2017.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. Na3 a6 6. Nc4 Qd8 7. d4 e6 8. Bf4 b5 9. Nce5 Bb7 10. Ng5 cxd4 11. Nexf7 Qd5 12. Nxh8 h6 13. Nh3 Nc6 14. Qd3 e5 15. Qg6+ Ke7 16. Bd2 Qg8 17. Bd3 Qxh8 18. 0-0 Re8 19. cxd4 Nxd4 20. Rac1 Kd7 21. Bf5+ Ne6 22. Qf7+ 1-0

[Event "Manizales op 26th"]
[Site "Manizales"]
[Date "2017.01.08"]
[Round "9"]
[White "Guzman, River"]
[Black "Bravo, Juan Eduardo"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "1901"]
[BlackElo "1705"]
[PlyCount "36"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 e5 6. d5 0-0 7. h3 Nbd7 8. Be3 a5 9. Nge2 Ne8 10. g4 Nef6 11. Qd2 Ne8 12. Qd1 Nef6 13. Qd2 Ne8 14. Qd1 Nef6 15. Qd2 Ne8 16. Qd1 Nef6 17. Qd2 Ne8 18. Qd1 Nef6 1/2-1/2

[Event "Manizales op 26th"]
[Site "Manizales"]
[Date "2017.01.07"]
[Round "7"]
[White "Guzman, River"]
[Black "Cortes Castro, Jhonny"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1901"]
[BlackElo "1742"]
[PlyCount "98"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Nge7 6. 0-0 Bxd3 7. Qxd3 Nf5 8. c3 h5 9. g3 Be7 10. Re1 g5 11. h3 a6 12. Nbd2 Kd7 13. Nf1 Qg8 14. Ne3 Nxe3 15. Bxe3 g4 16. hxg4 Qxg4 17. Kg2 h4 18. Nh2 Qg7 19. g4 h3+ 20. Kh1 f5 21. Rg1 fxg4 22. Rxg4 Qf7 23. Qg6 Raf8 24. Qxf7 Rxf7 25. Rag1 Rhh7 26. Rf4 Bh4 27. Rgg4 Rxf4 28. Rxf4 Ne7 29. Nf3 Nf5 30. Nxh4 Nxh4 31. Kh2 b5 32. Rf8 Ke7 33. Rf6 Nf5 34. b3 a5 35. a4 bxa4 36. bxa4 Kd7 37. Bc1 Ne7 38. Rf3 Nc8 39. c4 dxc4 40. Bd2 Nb6 41. Bxa5 Nxa4 42. Bb4 Kc6 43. Ra3 Nb6 44. Bd2 Kd5 45. Be3 Ke4 46. Ra1 c3 47. Re1 Nd5 48. Kg3 h2 49. f3+ Kd3 0-1

[Event "Manizales op 26th"]
[Site "Manizales"]
[Date "2017.01.07"]
[Round "6"]
[White "Pineda Ramirez, Esteban"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "1500"]
[BlackElo "1901"]
[PlyCount "70"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 a6 7. Be3 g6 8. Qd2 Bg7 9. g4 Qc7 10. Be2 b5 11. a3 Be6 12. Nxc6 Qxc6 13. Bd4 0-0 14. h4 Bc4 15. Bxc4 Qxc4 16. Bxf6 Bxf6 17. Nd5 Bxb2 18. Rb1 Bg7 19. Rd1 Rfe8 20. h5 Rac8 21. Ne3 Bh6 22. hxg6 Qc5 23. Kf2 Bxe3+ 24. Qxe3 Qxe3+ 25. Kxe3 hxg6 26. Rd2 Kg7 27. Rhd1 Rc3+ 28. Rd3 Rec8 29. R1d2 g5 30. Kd4 Rxc2 31. Rxc2 Rxc2 32. e5 Rc4+ 33. Ke3 dxe5 34. Rd7 Kf6 35. Kf2 Ra4 0-1

[Event "Manizales op 26th"]
[Site "Manizales"]
[Date "2017.01.06"]
[Round "5"]
[White "Guzman, River"]
[Black "Villamil, Alejandro"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1901"]
[BlackElo "1758"]
[PlyCount "75"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. 0-0 e5 9. Qd3 g6 10. Nc3 Ne7 11. Be3 Bg7 12. Rad1 Nc8 13. Nb5 Bf8 14. Bc5 a6 15. Nxd6+ Nxd6 16. Bxd6 Bxd6 17. Qxd6 Qxd6 18. Rxd6 Ke7 19. Rfd1 Rhd8 20. Rxd8 Rxd8 21. Rxd8 Kxd8 22. Kf1 Kd7 23. Ke2 Kd6 24. Kd3 Kc5 25. c3 a5 26. a4 b6 27. g4 b5 28. axb5 Kxb5 29. b3 Kc5 30. g5 Kb5 31. c4+ Kb4 32. Kc2 Kc5 33. Kc3 Kc6 34. b4 axb4+ 35. Kxb4 Kd6 36. c5+ Kc6 37. Kc4 Kc7 38. Kd5 1-0

[Event "Manizales op 26th"]
[Site "Manizales"]
[Date "2017.01.05"]
[Round "2"]
[White "Guzman, River"]
[Black "Chisco, Juan Esteban"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1901"]
[BlackElo "1397"]
[PlyCount "38"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e6 5. c4 Qc7 6. Be2 d6 7. 0-0 Nd7 8. Nc3 Ngf6 9. Be3 b6 10. Rc1 Bb7 11. f3 Be7 12. Kh1 Rc8 13. Bg1 0-0 14. Nc2 Qb8 15. Ne3 Bd8 16. Qd2 Bc7 17. Rcd1 Rcd8 18. h4 Nh5 19. Bh2 e5 0-1

[Event "Manizales op 26th"]
[Site "Manizales"]
[Date "2017.01.04"]
[Round "1"]
[White "Marulanda, Daniel Fernando"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1600"]
[BlackElo "1901"]
[PlyCount "85"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. Bc4 e6 5. a3 Nf6 6. d3 Be7 7. 0-0 a6 8. d4 cxd4 9. Nxd4 0-0 10. Nxc6 bxc6 11. Re1 d5 12. exd5 cxd5 13. Bd3 Qc7 14. Qf3 Bb7 15. Qh3 e5 16. Bg5 e4 17. Bxf6 Bxf6 18. Be2 d4 19. Nd1 Qxc2 20. Bf1 Rfe8 21. g3 e3 22. fxe3 dxe3 23. Bg2 Bxg2 24. Qxg2 Qc5 25. Kh1 Rad8 26. b4 Qb5 27. Rc1 Rd2 28. Qc6 Qxc6+ 29. Rxc6 e2 30. Nf2 Ra2 31. Kg2 Bc3 32. Rxc3 g6 33. Nd3 Rd2 34. Kf2 g5 35. Nc1 Rd1 36. Rxe2 Red8 37. Rc6 Rh1 38. Kf3 Rdd1 39. Nb3 f5 40. Re7 Kf8 41. Rxh7 Rhf1+ 42. Kg2 Kg8 43. Ra7 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2016.12.29"]
[Round "7"]
[White "Galindo, Gustavo"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "A38"]
[BlackElo "1901"]
[PlyCount "20"]
[EventDate "2016.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nf6 5. Bg2 Nc6 6. 0-0 0-0 7. d3 d6 8. Rb1 Bd7 9. a3 Qc8 10. Re1 h6 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2016.12.28"]
[Round "5"]
[White "Beltran, Carlos Armando"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2181"]
[BlackElo "1901"]
[PlyCount "55"]
[EventDate "2016.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 e6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. 0-0 Be7 8. d3 0-0 9. Nbd2 Qc7 10. Qe2 e5 11. e4 d4 12. a4 b6 13. Nh4 g6 14. g3 Nh5 15. Ng2 Bg5 16. Nf3 Bh6 17. Nfh4 Ndf6 18. Bc1 Bxc1 19. Raxc1 h6 20. f4 Kh7 21. Rf2 Rae8 22. fxe5 Qxe5 23. g4 Ng7 24. Rcf1 Re6 25. Nf3 Qd6 26. e5 Rfe8 27. Qd2 Qd7 28. exf6 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2016.12.28"]
[Round "6"]
[White "Guzman, River"]
[Black "Duque, Milton Antonio"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "1901"]
[PlyCount "62"]
[EventDate "2016.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Ne2 Nb6 8. Bb3 Bd6 9. 0-0 h6 10. Nf3 Qc7 11. c4 Be7 12. Bf4 Qd8 13. Re1 Bb4 14. Nc3 0-0 15. a3 Be7 16. Qe2 Re8 17. Rad1 Nbd7 18. h3 Qa5 19. g4 Qd8 20. Qd2 Bf8 21. d5 exd5 22. cxd5 Rxe1+ 23. Qxe1 cxd5 24. Nxd5 Nxd5 25. Bxd5 Qe7 26. Qd2 Nf6 27. Re1 Qd7 28. Bb3 Qxd2 29. Bxd2 Bd7 30. g5 hxg5 31. Nxg5 Be8 1/2-1/2

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2016.12.27"]
[Round "4"]
[White "Guzman, River"]
[Black "Ibarra, Jose Edinson"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1901"]
[PlyCount "21"]
[EventDate "2016.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Qe2 d5 5. Bb3 Be7 6. 0-0 0-0 7. d3 Nc5 8. Nxe5 Nxb3 9. cxb3 Be6 10. Nf3 Re8 11. Qc2 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2016.12.27"]
[Round "3"]
[White "Herrera, Juan Sebastian"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2226"]
[BlackElo "1901"]
[PlyCount "65"]
[EventDate "2016.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Nf6 7. h3 Bd7 8. Nge2 Rb8 9. 0-0 b5 10. Qd2 b4 11. Nd1 h5 12. f4 Qc8 13. Nf2 e5 14. c3 0-0 15. f5 Kh7 16. g4 hxg4 17. hxg4 Rh8 18. Ng3 Kg8 19. Bf3 Qd8 20. Kg2 bxc3 21. bxc3 Qa5 22. g5 Ne8 23. Bg4 Rh4 24. fxg6 Bxg4 25. gxf7+ Kxf7 26. Nxg4+ Kg6 27. Nh2 Qa3 28. Rf2 Nd4 29. cxd4 cxd4 30. Nf5 Rxh2+ 31. Kxh2 dxe3 32. Ne7+ Kh7 33. Qxe3 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2016.12.26"]
[Round "2"]
[White "Guzman, River"]
[Black "Rodriguez Cortes, Giovanni"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1901"]
[PlyCount "33"]
[EventDate "2016.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. e5 Nfd7 5. d4 e6 6. Be3 Nc6 7. Bb5 a6 8. Bxc6 bxc6 9. Ne2 cxd4 10. Nexd4 c5 11. Ne2 Qc7 12. Bf4 h6 13. 0-0 g5 14. Bg3 Bg7 15. c4 dxc4 16. Re1 Nxe5 17. Nc3 1-0

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.03"]
[Round "4"]
[White "Buitrago, Juan Carlos"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2061"]
[BlackElo "1883"]
[PlyCount "33"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. b3 g6 3. Bb2 Bg7 4. Nf3 0-0 5. Nbd2 c5 6. dxc5 Na6 7. g3 Nxc5 8. Bg2 b6 9. 0-0 Bb7 10. Ne1 Bxg2 11. Nxg2 a5 12. Nf4 d5 13. Nd3 Nfd7 14. Bxg7 Kxg7 15. Nxc5 Nxc5 16. c4 d4 17. Nf3 1/2-1/2

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.03"]
[Round "3"]
[White "Guzman, River"]
[Black "Agon Llanos, Alvaro"]
[Result "1-0"]
[ECO "C69"]
[WhiteElo "1883"]
[BlackElo "1683"]
[PlyCount "95"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. h3 Bc5 7. Qe2 Ne7 8. c3 Be6 9. d4 exd4 10. Rd1 d3 11. Rxd3 Qc8 12. Be3 Bxe3 13. Qxe3 0-0 14. Nbd2 Ng6 15. Nd4 Bf7 16. N2f3 Re8 17. b3 Bd5 18. Nd2 Ne5 19. exd5 Nxd3 20. Qxd3 cxd5 21. N2f3 c5 22. Nf5 Qc6 23. Rd1 Rad8 24. Ne3 c4 25. Qd2 cxb3 26. axb3 Rc8 27. Nxd5 Kf7 28. c4 Rcd8 29. Nd4 Qc5 30. Nf5 b5 31. Nfe3 bxc4 32. bxc4 a5 33. Ra1 Ra8 34. Qd3 h6 35. Qf5 Qd6 36. Qh5+ Kf8 37. Qg6 Ra7 38. Rb1 a4 39. Rb6 Qe5 40. Nxf6 gxf6 41. Rxf6+ Ke7 42. Nd5+ Kd7 43. Rf7+ Kd8 44. Qb6+ Kc8 45. Qxa7 Qd6 46. Qa8+ Qb8 47. Nb6+ Kd8 48. Qxb8# 1-0

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.02"]
[Round "1"]
[White "Guzman, River"]
[Black "Quintero Cortes, Santiago"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1883"]
[BlackElo "1600"]
[PlyCount "87"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. 0-0 Nf6 5. Re1 0-0 6. h3 Be6 7. Bxe6 fxe6 8. d4 exd4 9. Nxd4 Qc8 10. Nc3 e5 11. Nf5 Nc6 12. Bg5 Qd7 13. Qd3 Nd8 14. Nxe7+ Qxe7 15. Nd5 Qf7 16. Bxf6 gxf6 17. Re3 Nc6 18. Rf3 Kh8 19. Rxf6 Qg7 20. Rxf8+ Rxf8 21. c3 Nd8 22. Ne3 Qf7 23. Nf5 Ne6 24. Qd5 Nc5 25. Qxf7 Rxf7 26. f3 Nd3 27. Rd1 Nf4 28. Kh2 Ng6 29. c4 Ne7 30. Ne3 b6 31. Nd5 Nc6 32. Rd3 Nd4 33. Kg3 Ne2+ 34. Kf2 Nd4 35. Ne3 Kg7 36. Nd5 Kh8 37. Rd2 Kg7 38. Ke3 Ne6 39. b4 Kf8 40. b5 h5 41. Rf2 h4 42. f4 Ke8 43. fxe5 dxe5 44. Rf5 1-0

[Event "Villamaria op 2nd"]
[Site "Villamaria"]
[Date "2016.07.02"]
[Round "2"]
[White "Munoz Galvez, Jhon Edison"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2347"]
[BlackElo "1883"]
[PlyCount "73"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 0-0 8. Bc4 c5 9. Ne2 Nc6 10. Be3 cxd4 11. cxd4 Bd7 12. 0-0 a6 13. Rc1 Rc8 14. Qd2 b5 15. Bd5 Kh8 16. Rc5 Nb8 17. Rxc8 Bxc8 18. Rc1 e5 19. dxe5 Bxe5 20. Bh6 Bg7 21. Bxg7+ Kxg7 22. Qc3+ Kg8 23. Qc7 Nd7 24. Qxd8 Rxd8 25. Rc7 Rf8 26. Nd4 Nb6 27. Bb3 a5 28. Rc6 a4 29. Rxb6 axb3 30. axb3 Rd8 31. Nxb5 Bd7 32. Rd6 Rb8 33. Nc7 Bb5 34. Kf2 Kf8 35. e5 Ke7 36. Nd5+ Kf8 37. Rb6 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.15"]
[Round "7"]
[White "Guzman, River"]
[Black "Ocampo Betancur, Cristina Angela"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "1941"]
[BlackElo "1674"]
[PlyCount "72"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Re8 10. d4 Bf8 11. Nbd2 g6 12. Bc2 Bg7 13. Nf1 Bb7 14. Ng3 h6 15. a4 Qe7 16. axb5 axb5 17. Rxa8 Rxa8 18. Be3 exd4 19. cxd4 Nb4 20. Bb1 Nxe4 21. Bxh6 Bxh6 22. Nxe4 Qd8 23. Qe2 c6 24. Nh2 Bg7 25. Qe3 Nd5 26. Qd2 Qc7 27. Nf3 Rd8 28. Nc3 Nxc3 29. bxc3 c5 30. Be4 Bxe4 31. Rxe4 Ra8 32. Qf4 Qd7 33. Ng5 cxd4 34. cxd4 b4 35. d5 Ra1+ 36. Kh2 Be5 0-1

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.15"]
[Round "6"]
[White "Lopez Ramirez, Jorge Hernan"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2007"]
[BlackElo "1941"]
[PlyCount "46"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 g6 8. Qd2 Bg7 9. 0-0-0 0-0 10. Kb1 Qc7 11. g4 Nxd4 12. Bxd4 Be6 13. h4 Rfc8 14. h5 b5 15. Bd3 b4 16. Na4 Rab8 17. hxg6 Bxa2+ 18. Kxa2 Qa5 19. gxf7+ Kxf7 20. b3 e5 21. Bb2 h6 22. g5 Nd7 23. gxh6 Bf6 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.14"]
[Round "4"]
[White "Cadavid, Juan Miguel"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1872"]
[BlackElo "1941"]
[PlyCount "45"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Na3 Be7 7. Be3 cxd4 8. Nb5 Na6 9. Qxd4 Qxd4 10. Bxd4 b6 11. Bxf6 gxf6 12. 0-0-0 Bb7 13. Be2 Kf8 14. b4 Bd5 15. Kb2 Kg7 16. Nfd4 Rhc8 17. Nf5+ Kf8 18. Nbd6 Bxd6 19. Nxd6 Rd8 20. Rxd5 exd5 21. Nb7 Nc7 22. Nxd8 Rxd8 23. Rd1 1/2-1/2

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.14"]
[Round "5"]
[White "Guzman, River"]
[Black "Gallego, Julian Andres"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1941"]
[BlackElo "1661"]
[PlyCount "59"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. c4 Nf6 7. N5c3 a6 8. Be2 Be7 9. 0-0 Qc7 10. Be3 0-0 11. f4 Rb8 12. Nd2 Bd7 13. Rc1 Rbd8 14. Qe1 Rfe8 15. Qf2 Rc8 16. g4 Kf8 17. g5 Ng8 18. Qh4 h6 19. Qg3 hxg5 20. fxg5 Ne5 21. h4 Bc6 22. Rf2 f5 23. gxf6 Nxf6 24. Rcf1 Bd8 25. Kh2 Re7 26. Bh5 Rf7 27. Bxf7 Nxf7 28. Rg1 Ne5 29. Bh6 gxh6 30. Qg8+ 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.13"]
[Round "2"]
[White "Bravo, Juan Eduardo"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B59"]
[WhiteElo "1720"]
[BlackElo "1941"]
[PlyCount "92"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Kh1 a5 10. Bg5 a4 11. Nd2 d5 12. Bxf6 gxf6 13. exd5 Bxd5 14. Bc4 Bxc4 15. Nxc4 Nd4 16. Ne3 h5 17. Ncd5 Ra5 18. Nxe7 Qxe7 19. c3 Ne6 20. Qf3 Ng5 21. Qf5 Qe6 22. Rad1 Qxf5 23. Nxf5 0-0 24. f4 Ne6 25. fxe5 fxe5 26. Rd7 Nd8 27. Rfd1 Ra8 28. h4 Rb8 29. Nd6 Kg7 30. Rd5 Kf6 31. Nc4 Nc6 32. Nb6 Rfd8 33. Rxd8 Rxd8 34. Rxd8 Nxd8 35. Nxa4 Kf5 36. g3 Ke4 37. Kg2 Ke3 38. Nc5 e4 39. a4 f5 40. a5 Kd2 41. Nb3+ Kc2 42. Nd4+ Kxb2 43. Nxf5 Kxc3 44. Kf2 Kd3 45. Ne3 Nc6 46. g4 Nxa5 1/2-1/2

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.13"]
[Round "3"]
[White "Guzman, River"]
[Black "Perez, William"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1941"]
[BlackElo "1711"]
[PlyCount "81"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Qa5+ 11. c3 Ngf6 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Qc2 Be7 15. 0-0 0-0 16. Ne5 Nd5 17. Bg3 Rfd8 18. a4 c5 19. dxc5 Qxc5 20. Rfe1 Rac8 21. Qe2 b6 22. Qh5 Rf8 23. Nd7 Qc4 24. Nxf8 Kxf8 25. Qe2 Qc6 26. Qa6 Bc5 27. a5 Ra8 28. axb6 Bxb6 29. Qd3 Kg8 30. Be5 Rd8 31. Qg3 f6 32. Bd4 Bxd4 33. cxd4 Qb6 34. Qa3 Rd7 35. Re4 f5 36. Re2 Qxd4 37. Rxe6 Nf6 38. Qb3 Kh7 39. Qc2 g6 40. Ra4 Qd5 41. Rxf6 1-0

[Event "Risarald op"]
[Site "Risarald"]
[Date "2015.06.12"]
[Round "1"]
[White "Guzman, River"]
[Black "Galvis, Augusto"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1941"]
[BlackElo "1618"]
[PlyCount "73"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 a6 7. N5a3 Nf6 8. Nc3 Be7 9. Be2 0-0 10. Nc2 Bd7 11. 0-0 Rc8 12. Ne3 Qc7 13. a4 Rfd8 14. b3 Qa5 15. Qd2 Qe5 16. f4 Qd4 17. Bd3 Ng4 18. Bb1 Bf6 19. e5 Qxd2 20. Bxd2 Nxe3 21. Bxe3 dxe5 22. Ne4 Nd4 23. Nxf6+ gxf6 24. fxe5 fxe5 25. Bg5 Rf8 26. Bf6 Ne2+ 27. Kh1 Nf4 28. Rf3 Bc6 29. Rg3+ Ng6 30. h4 h5 31. Bc2 e4 32. Rf1 Kh7 33. Rg5 Kh6 34. Bd1 Nh8 35. Rxh5+ Kg6 36. g4 Rg8 37. g5 1-0

[Event "Pereira Forero Cup 2nd"]
[Site "Pereira"]
[Date "2015.04.19"]
[Round "5"]
[White "Cuervo, Andres Felipe"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "1600"]
[BlackElo "1941"]
[PlyCount "47"]
[EventDate "2015.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. 0-0 Be7 8. Be3 a6 9. Kh1 Qc7 10. Bb3 0-0 11. f4 Na5 12. Bg1 b5 13. Qe1 Nc4 14. Bxc4 Qxc4 15. e5 Nd5 16. Ne4 dxe5 17. fxe5 Qc7 18. Qg3 Bb7 19. c3 Rad8 20. Rac1 Kh8 21. b3 Nb6 22. Ng5 Bxg5 23. Qxg5 Rd5 24. Nxe6 1-0

[Event "Pereira Forero Cup 2nd"]
[Site "Pereira"]
[Date "2015.04.19"]
[Round "4"]
[White "Guzman, River"]
[Black "Zuluaga A, Ernesto Uriel"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1941"]
[BlackElo "1865"]
[PlyCount "60"]
[EventDate "2015.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e6 5. c4 Qc7 6. Bd3 d6 7. 0-0 b6 8. Be3 Bb7 9. Nc3 Nd7 10. Rc1 Ngf6 11. Bb1 Be7 12. f4 Rd8 13. f5 e5 14. Nb3 Qb8 15. g4 Qa8 16. Qf3 h6 17. Nd2 Rc8 18. Rfd1 0-0 19. g5 hxg5 20. Bxg5 Rfe8 21. h4 b5 22. cxb5 axb5 23. Nxb5 Qa5 24. Rxc8 Rxc8 25. Nc3 Qb6+ 26. Qe3 Qxb2 27. Na4 Qb4 28. Qb3 d5 29. exd5 Qg4+ 30. Kh2 Qe2+ 0-1

[Event "Pereira Forero Cup 2nd"]
[Site "Pereira"]
[Date "2015.04.18"]
[Round "2"]
[White "Guzman, River"]
[Black "Molina Agudelo, Juan Manuel"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1941"]
[BlackElo "1783"]
[PlyCount "64"]
[EventDate "2015.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c6 5. Be3 Nf6 6. f3 0-0 7. Bd3 e5 8. Nge2 Nh5 9. Qd2 f5 10. 0-0 f4 11. Bf2 Qg5 12. Kh1 Bh6 13. b4 Be6 14. Rac1 b6 15. c5 bxc5 16. bxc5 Rd8 17. cxd6 Rxd6 18. d5 Bf7 19. Bc5 Rd8 20. Bc4 Nd7 21. Bf2 Nb6 22. Bb3 Qe7 23. Rfd1 Bf8 24. a4 Rab8 25. Qa2 Qb4 26. Rb1 cxd5 27. a5 Nc4 28. Nxd5 Bxd5 29. Rxd5 Rxd5 30. exd5 Nd2 31. Be1 Qxb3 32. Rxb3 Nxb3 1-0

[Event "Pereira Forero Cup 2nd"]
[Site "Pereira"]
[Date "2015.04.17"]
[Round "1"]
[White "Nieto, Jose Fernando"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1655"]
[BlackElo "1941"]
[PlyCount "92"]
[EventDate "2015.04.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. h3 c5 7. Bd2 cxd4 8. Nxd4 e5 9. Nf3 d4 10. Ne2 Nc6 11. Ng3 Qb6 12. Qb3 Qxb3 13. axb3 Rd8 14. exd4 exd4 15. Bd3 Re8+ 16. Kd1 Be6 17. Re1 Nd7 18. Kc2 Rac8 19. Ne4 Bf5 20. g4 Bxe4 21. Rxe4 a6 22. Rxe8+ Rxe8 23. Re1 Rxe1 24. Nxe1 Nc5 25. b4 Nxd3 26. Nxd3 Bf8 27. Kb3 f6 28. c5 Kf7 29. Kc4 Ke6 30. f4 Bg7 31. Be1 f5 32. Bf2 Bf6 33. g5 Bg7 34. b3 Bf8 35. Nc1 Bg7 36. Nd3 Kd7 37. Nc1 Ke7 38. Nd3 Kd7 39. Kd5 Bh8 40. Ne5+ Bxe5 41. fxe5 d3 42. Be1 Ne7+ 43. Kd4 Ke6 44. Kxd3 Kxe5 45. Bc3+ Kd5 46. Bf6 Nc6 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.07"]
[Round "11"]
[White "Diaz Arboleda, Daniel"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2110"]
[BlackElo "1972"]
[PlyCount "91"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Qd2 cxd4 9. cxd4 0-0 10. Bc4 Nc6 11. Ne2 Bg4 12. f3 Be6 13. Bxe6 fxe6 14. 0-0 e5 15. d5 Na5 16. Qb4 b6 17. Rac1 Nb7 18. Rc3 Nd6 19. Rfc1 Rc8 20. Qa4 Rxc3 21. Rxc3 Nc8 22. Rc6 Qd7 23. Qc2 Rd8 24. Rc7 Qe8 25. Rb7 Qb5 26. Kf2 Kf8 27. Rc7 Qe8 28. Bg5 Kg8 29. Qc1 Qf8 30. Nc3 h6 31. Be3 Nd6 32. Ke2 Rc8 33. Nb5 Rxc7 34. Nxc7 Qc8 35. Qc6 Kf7 36. Bc1 Ne8 37. Qe6+ Qxe6 38. Nxe6 h5 39. Nd8+ Kf8 40. Nc6 a6 41. Be3 b5 42. Kd3 Nd6 43. Bc5 Nc8 44. Nb8 a5 45. Nc6 a4 46. Kc3 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.06"]
[Round "9"]
[White "Corpus, Eugenio"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1848"]
[BlackElo "1972"]
[PlyCount "44"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd7 9. 0-0 Rd8 10. Qa4 Nf6 11. Rd1 Be7 12. Ne5 Nxe5 13. Bb5 Nc6 14. f3 Bf5 15. Bf4 a6 16. Bc4 0-0 17. Rac1 Nd5 18. Bg3 Nxc3 19. Rxc3 b5 20. Bxb5 axb5 21. Qxb5 Nxd4 22. Qf1 Ne2+ 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.06"]
[Round "10"]
[White "Guzman, River"]
[Black "Agudelo Pineres, Oscar Marino"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1972"]
[BlackElo "1739"]
[PlyCount "75"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Nf6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Be2 Be6 11. 0-0 0-0 12. Nc4 Rc8 13. Ne3 Bg5 14. Ncd5 g6 15. Bf3 Ne7 16. c3 Bxe3 17. Nxe3 f5 18. Kh1 f4 19. Bg4 Qd7 20. Bxe6+ Qxe6 21. Nc2 f3 22. gxf3 Qh3 23. Rg1 Rxf3 24. Rg3 Rxg3 25. fxg3 Rf8 26. Qe2 d5 27. exd5 Nxd5 28. Qg2 Qe6 29. Rd1 Nf6 30. Ne3 e4 31. b3 Qb6 32. Qd2 Qc6 33. Kg1 Qc5 34. Qd4 Qh5 35. Rf1 Qg5 36. Kg2 Ng4 37. Rxf8+ Kxf8 38. Qd6+ 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.05"]
[Round "7"]
[White "Beltran, Carlos Armando"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2237"]
[BlackElo "1972"]
[PlyCount "91"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Be2 c5 7. c3 Nbd7 8. 0-0 b6 9. b4 Bb7 10. Rb1 Qc8 11. bxc5 bxc5 12. Qa4 Re8 13. h3 Nb6 14. Qa3 Nfd7 15. Bb5 a6 16. Be2 e5 17. Nxe5 Rxe5 18. dxe5 Bxe5 19. Bf3 Kg7 20. Rfd1 Qc7 21. c4 h6 22. Bf4 Bxf4 23. exf4 d4 24. Bxb7 Qxb7 25. Qd3 Re8 26. Rb3 Qc7 27. Ra3 Qxf4 28. Rxa6 Ne5 29. Qe4 Qxe4 30. Nxe4 Nbd7 31. Nd2 g5 32. Ra7 Rb8 33. Rb1 Rxb1+ 34. Nxb1 Kf6 35. Nd2 Ke6 36. Ra6+ Ke7 37. a4 h5 38. a5 g4 39. h4 f6 40. Ra8 Kd6 41. Rc8 f5 42. a6 Nc6 43. Rh8 Nf6 44. Rh6 Ke5 45. Kf1 f4 46. Ke2 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.05"]
[Round "8"]
[White "Guzman, River"]
[Black "Castaneda, Victor"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1972"]
[BlackElo "1876"]
[PlyCount "166"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. Bg5 Bg4 8. f3 Bh5 9. Ne2 e6 10. 0-0 Qc7 11. Bf4 Bd6 12. Bxd6 Qxd6 13. Qd2 b5 14. Bd3 0-0 15. Qf4 Rad8 16. Qxd6 Rxd6 17. c3 Bg6 18. Bxg6 hxg6 19. Nf4 Nd5 20. Nd3 Ne3 21. Rf2 a5 22. a3 a4 23. Re2 Nc4 24. Kf2 Ra8 25. h4 Rad8 26. Rh1 Kh7 27. g4 Rh8 28. Kg3 Kg8 29. f4 Kf8 30. Rhe1 Ke7 31. Nc5 Rh6 32. g5 Rh8 33. f5 gxf5 34. g6 Rh6 35. gxf7 Kxf7 36. Nd3 Rg6+ 37. Kf3 Rg4 38. Rh1 Kf6 39. h5 Kg5 40. Rhh2 Rg1 41. Rhg2+ Rxg2 42. Rxg2+ Kf6 43. Rg6+ Kf7 44. Kf4 Rd8 45. Kg5 Rh8 46. Nf4 Re8 47. h6 gxh6+ 48. Kxh6 Rh8+ 49. Kg5 Rg8 50. Rxg8 Kxg8 51. Nxe6 Nxb2 52. Kxf5 Nc4 53. Ke4 Nxa3 54. Kd3 Nc4 55. Kc2 Na5 56. Kb2 Kf7 57. d5 Ke7 58. Nd4 Nc4+ 59. Ka2 cxd5 60. Nxb5 Kd7 61. Na3 Na5 62. Nc2 Nc4 63. Na3 Nb6 64. Nc2 Nc4 65. Na3 Kd6 66. Nb1 Ke5 67. Ka1 Ke4 68. Ka2 Kd3 69. Ka1 Kc2 70. Ka2 Nd2 71. Na3+ Kxc3 72. Nb5+ Kb4 73. Nd4 Nc4 74. Ne6 Nb6 75. Nd4 Kc4 76. Ne6 d4 77. Nxd4 Kxd4 78. Ka3 Kc3 79. Ka2 Kb4 80. Ka1 Ka3 81. Kb1 Nc4 82. Ka1 Na5 83. Kb1 Nb3 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.04"]
[Round "6"]
[White "Guzman, River"]
[Black "Otero Fajardo, Alvaro Antonio"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "1972"]
[BlackElo "1794"]
[PlyCount "93"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. Bg5 Be7 8. Qd2 Nc6 9. 0-0-0 Bd7 10. Kb1 b5 11. Bxf6 gxf6 12. Bh5 Rc8 13. f4 Na5 14. f5 b4 15. fxe6 Bxe6 16. Nxe6 bxc3 17. Nxd8 cxd2 18. Nxf7 Rc5 19. e5 Rg8 20. Nh6+ Kf8 21. Nxg8 Kxg8 22. exd6 Bxd6 23. Rxd2 Nc4 24. Rd4 Be5 25. Rd8+ Kg7 26. Be2 Nxb2 27. Bxa6 Na4 28. c4 Nc3+ 29. Kc2 Ra5 30. Bb7 Rxa2+ 31. Kb3 Re2 32. Rd7+ Kh6 33. Rf1 Na2 34. Rf3 Nc1+ 35. Ka4 Ra2+ 36. Ra3 Rf2 37. Be4 f5 38. Rh3+ Kg5 39. Bd5 Ne2 40. Kb4 h5 41. Ra3 Nd4 42. Ra8 Bxh2 43. Rg8+ Kf4 44. c5 Ke3 45. Re8+ Kf4 46. c6 Rb2+ 47. Kc3 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.03"]
[Round "4"]
[White "Guzman, River"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1972"]
[BlackElo "2230"]
[PlyCount "54"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. Be2 h6 9. Be3 Qc7 10. f4 b5 11. a3 Bb7 12. Bf3 Nbd7 13. Nb3 Rc8 14. g4 Nb6 15. Qg2 Nc4 16. Bc1 g5 17. f5 Qb6 18. Qe2 Ne5 19. fxe6 Rxc3 20. exf7+ Kxf7 21. bxc3 Nxf3+ 22. Qxf3 Bxe4 23. Qf1 Qc6 24. Rg1 Bxc2 25. Rg3 Bxb3 26. c4 Bxc4 27. Qf2 Bd8 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.02"]
[Round "2"]
[White "Guzman, River"]
[Black "Rengifo, Jose Ignacio"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1972"]
[BlackElo "2133"]
[PlyCount "110"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 e6 4. Nf3 Nb6 5. Bb3 a5 6. a4 d6 7. 0-0 c5 8. Qe2 Nc6 9. c3 dxe5 10. Nxe5 Qc7 11. Nf3 Be7 12. Na3 Bd7 13. Nb5 Qd8 14. d4 0-0 15. Bf4 Na7 16. dxc5 Bxc5 17. Rfd1 Nxb5 18. axb5 Qe7 19. Qd3 Rfc8 20. Bd6 Qe8 21. c4 Qd8 22. Bxc5 Rxc5 23. Qd6 Qc7 24. Qxc7 Rxc7 25. Rd6 Nc8 26. Rd4 Kf8 27. Rad1 Ke7 28. Ne5 Be8 29. f4 f6 30. Nf3 Nb6 31. Re1 Nd7 32. Bc2 Nf8 33. Bf5 g6 34. Bh3 a4 35. g3 Rac8 36. Bf1 Nd7 37. Rde4 Nc5 38. R4e3 Rd8 39. Kf2 Rd6 40. Kg2 Bd7 41. g4 Kf7 42. g5 Bc8 43. gxf6 Kxf6 44. Kg3 b6 45. Bh3 Bb7 46. Ne5 Rd2 47. R1e2 Rxe2 48. Rxe2 Ne4+ 49. Kh4 g5+ 50. Kh5 gxf4 51. Ng4+ Kg7 52. Rc2 Nf6+ 53. Nxf6 Kxf6 54. Bf1 Bf3+ 55. Kh4 Rc5 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.02"]
[Round "3"]
[White "Rosero, Hugo Alberto"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1664"]
[BlackElo "1972"]
[PlyCount "58"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 a5 8. Bg5 Be7 9. 0-0 a4 10. Nd2 a3 11. bxa3 Rxa3 12. Nb5 Ra8 13. Bxf6 gxf6 14. Nc4 Be6 15. Ncxd6+ Kf8 16. Nxb7 Qb6 17. N7d6 Rd8 18. Qd2 h5 19. Rfd1 Na7 20. Nxa7 Rxd6 21. Qe3 Rxd1+ 22. Rxd1 Bc5 23. Rd8+ Ke7 24. Rxh8 Bxe3 25. fxe3 Qxe3+ 26. Kf1 Qxa7 27. Rxh5 Qxa2 28. Bd3 Bc4 29. Ke2 Qxc2+ 0-1

[Event "Dosquebrad op"]
[Site "Dosquebrad"]
[Date "2013.06.22"]
[Round "7"]
[White "Guzman, River"]
[Black "Betancur, Juan Mauricio"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "1968"]
[BlackElo "1727"]
[PlyCount "88"]
[EventDate "2013.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Bc4 Nf6 7. Nc3 d6 8. f3 Bd7 9. Qd2 Rc8 10. Bb3 Ne5 11. 0-0-0 Nc4 12. Bxc4 Rxc4 13. Nb3 0-0 14. Bh6 a5 15. Bxg7 Kxg7 16. h4 h5 17. Rhe1 b5 18. Kb1 a4 19. Nc1 b4 20. Nd5 Nxd5 21. Qxd5 Be6 22. Qd3 Qc7 23. Rd2 Rc8 24. Ne2 b3 25. cxb3 axb3 26. axb3 Rc5 27. b4 Rc4 28. Nc3 Rxb4 29. Nd5 Bxd5 30. Qxd5 Rc4 31. Re3 Ra4 32. Rc3 Rc4 33. Rxc4 Qxc4 34. Qxc4 Rxc4 35. Rc2 Rb4 36. Ka2 Kf6 37. Ka3 Rb6 38. Ka4 Ke6 39. b4 Kd7 40. Ka5 Rb7 41. b5 Rc7 42. Rb2 Kc8 43. Ka6 Kb8 44. b6 Rb7 1/2-1/2

[Event "Dosquebrad op"]
[Site "Dosquebrad"]
[Date "2013.06.21"]
[Round "5"]
[White "Guzman, River"]
[Black "Munoz Galvez, Jhon Edison"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1968"]
[BlackElo "2196"]
[PlyCount "78"]
[EventDate "2013.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 b5 8. Qf3 Bb7 9. Bxf6 gxf6 10. 0-0-0 b4 11. Nce2 Qa5 12. Nb3 Qb6 13. Ned4 Nd7 14. f5 e5 15. Ne2 Rc8 16. Ng3 a5 17. Kb1 Rg8 18. Be2 Ke7 19. Qd3 a4 20. Na5 Nc5 21. Qb5 Qxb5 22. Bxb5 Bxe4 23. Nxe4 Nxe4 24. Nc6+ Rxc6 25. Bxc6 Nf2 26. Rhf1 Nxd1 27. Rxd1 Rg4 28. g3 a3 29. Rd3 axb2 30. Kxb2 Rc4 31. Bd5 Rc5 32. Kb3 Bh6 33. Be4 Bc1 34. Bd5 Rb5 35. g4 Bf4 36. h3 Bh2 37. c3 bxc3+ 38. Kxc3 Bg1 39. a4 Bd4+ 0-1

[Event "Dosquebrad op"]
[Site "Dosquebrad"]
[Date "2013.06.21"]
[Round "4"]
[White "Lora, Joel Fernando"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2167"]
[BlackElo "1968"]
[PlyCount "94"]
[EventDate "2013.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 Be7 4. e4 d5 5. Bxf6 Bxf6 6. Ngf3 0-0 7. e5 Be7 8. Bd3 c5 9. c3 Nc6 10. a3 cxd4 11. cxd4 Qb6 12. Nb3 a5 13. Qc2 a4 14. Nbd2 Bd7 15. Bxh7+ Kh8 16. Bd3 Rfc8 17. Qb1 Nxd4 18. Nxd4 Qxd4 19. Nf3 Qf4 20. 0-0 g5 21. Be2 Kg7 22. g3 Qg4 23. Re1 Qh5 24. Nd4 g4 25. Qd1 Rh8 26. h4 Bxh4 27. Bxg4 Qg6 28. Kg2 Be7 29. Rc1 Rac8 30. Rxc8 Bxc8 31. Bh3 Bd7 32. Qd2 Qh7 33. Bg4 Qg6 34. Bd1 Qh7 35. Bg4 Qg6 36. Bf3 Qh7 37. Bg4 Qg6 38. Qd1 Bc5 39. Bh3 Kf8 40. Nf3 d4 41. Nxd4 Bxd4 42. Qxd4 Bc6+ 43. Kh2 Qf5 44. Qd8+ Be8 45. Kg2 Qxh3+ 46. Kf3 Qf5+ 47. Kg2 Kg7 0-1

[Event "Dosquebrad op"]
[Site "Dosquebrad"]
[Date "2013.06.20"]
[Round "2"]
[White "Guerrero Sierra, Juan Carlos"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2230"]
[BlackElo "1968"]
[PlyCount "59"]
[EventDate "2013.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Qc7 9. Bxf6 gxf6 10. f4 h5 11. g3 Bd7 12. Kb1 Rc8 13. Nxc6 Bxc6 14. Bg2 b5 15. Rhe1 Be7 16. Re3 b4 17. Nd5 Bxd5 18. exd5 e5 19. Bf1 a5 20. c3 Rb8 21. cxb4 Rxb4 22. Rc1 Qb8 23. Rec3 Bd8 24. Rc8 Qa7 25. fxe5 dxe5 26. a3 Rb8 27. Rxb8 Qxb8 28. Bh3 0-0 29. Qh6 Be7 30. Bf5 1-0

[Event "Dosquebrad op"]
[Site "Dosquebrad"]
[Date "2013.06.20"]
[Round "3"]
[White "Guzman, River"]
[Black "Mojica, Jorge Humberto"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1968"]
[BlackElo "1609"]
[PlyCount "37"]
[EventDate "2013.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nc6 3. f4 g6 4. Nc3 Bg7 5. Be3 Nf6 6. h3 0-0 7. Qd2 e5 8. fxe5 dxe5 9. d5 Ne7 10. g4 a6 11. 0-0-0 Qd6 12. Qf2 b6 13. Nf3 Nd7 14. Nd2 Qf6 15. Qg3 Bb7 16. g5 Qd6 17. Nc4 Nf5 18. exf5 Qb4 19. a3 1-0

[Event "Dosquebrad op"]
[Site "Dosquebrad"]
[Date "2013.06.19"]
[Round "1"]
[White "Guzman, River"]
[Black "Walteros, Juan Diego"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1968"]
[BlackElo "1504"]
[PlyCount "107"]
[EventDate "2013.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Bc5 6. N4b3 Bd6 7. Bb5+ Bd7 8. Qe2 Bxb5 9. Qxb5+ Qd7 10. Qe2 Nc6 11. Nf3 Qc7 12. 0-0 Nge7 13. Re1 dxe4 14. Qxe4 0-0 15. Bg5 Nf5 16. Rad1 h6 17. g4 hxg5 18. gxf5 exf5 19. Qxf5 Bf4 20. Rd7 Qc8 21. Red1 Nb8 22. R7d5 Qxf5 23. Rxf5 g6 24. Rfd5 Nc6 25. c3 Rad8 26. Nc5 b6 27. Ne4 Rxd5 28. Rxd5 f6 29. Rd7 Rf7 30. Rxf7 Kxf7 31. h3 Ne5 32. Nd4 Nd3 33. b3 f5 34. Ng3 Nc1 35. a4 Be5 36. Nge2 Nxe2+ 37. Nxe2 Ke6 38. f3 Kd5 39. Kf2 Kc5 40. Ke3 Kd5 41. Kd3 a6 42. Nc1 Bf4 43. Ne2 Be5 44. c4+ Kc5 45. Nc1 Bb2 46. Na2 a5 47. Nc3 Bxc3 48. Kxc3 f4 49. Kd3 Kb4 50. Kc2 Ka3 51. Kc3 Ka2 52. b4 Ka3 53. bxa5 bxa5 54. c5 1-0

[Event "Medellin Raza Menor 2100 op"]
[Site "Medellin"]
[Date "2010.11.12"]
[Round "7.1"]
[White "Garces Trujillo, Luis Javier"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "D88"]
[WhiteElo "2050"]
[PlyCount "43"]
[EventDate "2010.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 cxd4 10. cxd4 Nc6 11. Be3 Bg4 12. f3 Bd7 13. Rb1 Na5 14. Bd5 Be6 15. Bxe6 fxe6 16. Qa4 b6 17. Rbc1 Rc8 18. Rxc8 Qxc8 19. Rc1 Qa6 20. Kf2 Rc8 21. Qd7 Rxc1 22. Qe8+ 1-0

[Event "Medellin Raza Menor 2100 op"]
[Site "Medellin"]
[Date "2010.11.12"]
[Round "2.1"]
[White "Guzman, River"]
[Black "Arango Navarrete, Camilo Andres"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "65"]
[EventDate "2010.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 a6 7. Be3 e5 8. Nb3 Be7 9. f3 Be6 10. Qd2 b5 11. 0-0-0 0-0 12. Kb1 Qc7 13. g4 Rfd8 14. g5 Nd7 15. h4 Nb6 16. Nd5 Bxd5 17. exd5 Nc4 18. Bxc4 bxc4 19. Nc1 Na5 20. c3 Rab8 21. Rh2 Rb5 22. Qc2 Rdb8 23. Qe4 Nb7 24. Rdd2 Bd8 25. Ne2 Qc8 26. Ng3 Nc5 27. Qxc4 Nb3 28. axb3 Qb7 29. Nf5 Qd7 30. Ng3 Qb7 31. Ne4 Qd7 32. Qc6 Qf5 33. Qe8# 1-0

[Event "Medellin Raza Menor 2100 op"]
[Site "Medellin"]
[Date "2010.11.12"]
[Round "4.1"]
[White "Guzman, River"]
[Black "Henao Gallego, Andres Felipe"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "59"]
[EventDate "2010.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Be2 e5 6. Nb3 Nf6 7. Nc3 a6 8. Be3 Be6 9. f3 Be7 10. Qd2 Na5 11. Nxa5 Qxa5 12. 0-0 0-0 13. Nd5 Qd8 14. Nxe7+ Qxe7 15. c4 Rad8 16. Bb6 Rc8 17. Rac1 Nd7 18. Be3 f5 19. Rfd1 Rc6 20. b4 f4 21. Bf2 Rfc8 22. h3 b5 23. cxb5 Rxc1 24. Rxc1 Rxc1+ 25. Qxc1 axb5 26. Bxb5 Bxa2 27. Qc8+ Nf8 28. Bc4+ Bxc4 29. Qxc4+ Qe6 30. Qc6 1-0

[Event "Medellin Raza Menor 2100 op"]
[Site "Medellin"]
[Date "2010.11.12"]
[Round "6.1"]
[White "Guzman, River"]
[Black "Montoya Diaz, Cesar Augusto"]
[Result "0-1"]
[ECO "C40"]
[BlackElo "2086"]
[PlyCount "78"]
[EventDate "2010.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. Ne3 c6 8. Be2 Nf6 9. d5 Be7 10. b3 Nbd7 11. dxc6 bxc6 12. Ba3 d5 13. Bxe7 Kxe7 14. Ncxd5+ cxd5 15. Nxd5+ Nxd5 16. Qxd5 Nb6 17. Qe5+ Be6 18. 0-0 Rhd8 19. Bh5 Qh6 20. Rad1 Kf8 21. Qxe4 Qxh5 22. Rxd8+ Rxd8 23. Qxe6 Qd5 24. Qxd5 Rxd5 25. Rc1 Nd7 26. Kf1 Ke7 27. Ke2 Nf6 28. f3 Rh5 29. h3 Re5+ 30. Kf2 Nd5 31. Re1 Rxe1 32. Kxe1 Ne3 33. Kf2 Nxc2 34. Ke2 Nb4 35. a4 Kd6 36. Kd2 Ke5 37. g3 Kd4 38. h4 Nd3 39. a5 Nb4 0-1

[Event "Medellin Raza Menor 2100 op"]
[Site "Medellin"]
[Date "2010.11.12"]
[Round "5.1"]
[White "Martinez, Mauricio"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B59"]
[WhiteElo "2002"]
[PlyCount "119"]
[EventDate "2010.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 a5 8. Be3 a4 9. Nd2 Be6 10. Bg5 Be7 11. Nf3 a3 12. b3 0-0 13. 0-0 Nb4 14. Qd2 Rc8 15. Rfc1 Qa5 16. Ne1 Rxc3 17. Bxf6 Rc7 18. Bxe7 Rxe7 19. c4 Qc5 20. Nd3 Nxd3 21. Bxd3 b6 22. Rc2 f5 23. exf5 Bxf5 24. Bxf5 Rxf5 25. Qe3 Qxe3 26. fxe3 Kf7 27. Rd2 Ke6 28. Rad1 Rd7 29. b4 e4 30. Rd4 Re5 31. Rc1 Rc7 32. Rcd1 Rd7 33. Kf2 d5 34. Ke2 Rg5 35. cxd5+ Ke5 36. Kf2 Rd6 37. R1d2 h5 38. Ke1 h4 39. Kd1 h3 40. gxh3 Rh5 41. Rg2 Rxd5 42. Rg3 Rxd4+ 43. exd4+ Kxd4 44. Ke2 Rb5 45. Rb3 Kc4 46. Ke3 Rxb4 47. Rxa3 Rb2 48. Ra7 Rxh2 49. Kxe4 Kb5 50. a4+ Kb4 51. Rxg7 Rxh3 52. Ra7 Ra3 53. Rb7 Kc5 54. Rc7+ Kb4 55. Rb7 Rxa4 56. Kd3 b5 57. Kc2 Ra2+ 58. Kb1 Rf2 59. Rg7 Kc3 60. Rc7+ 1/2-1/2

[Event "Medellin Raza Menor 2100 op"]
[Site "Medellin"]
[Date "2010.11.12"]
[Round "3.1"]
[White "Mercado, Luisa Fernanda"]
[Black "Guzman, River"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2061"]
[PlyCount "115"]
[EventDate "2010.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. cxd4 Nf6 7. Be3 e6 8. Nc3 Bb4 9. Bd3 Bxc3+ 10. bxc3 0-0 11. 0-0 b5 12. Qe2 a6 13. Bg5 Bb7 14. Bxf6 gxf6 15. Qe3 Ne7 16. Qf4 Kg7 17. Rfe1 Qh5 18. Be4 Bxe4 19. Rxe4 Rac8 20. Qd2 Rg8 21. Rh4 Qg6 22. h3 Kh8 23. Rg4 Qh5 24. Nh2 Nd5 25. Rc1 f5 26. Rxg8+ Rxg8 27. Kf1 Qg6 28. g3 f4 29. Ng4 fxg3 30. fxg3 f5 31. Nh6 Rc8 32. g4 f4 33. g5 Kg7 34. h4 Qe4 35. Ng4 Qh1+ 36. Ke2 Qg2+ 37. Nf2 Ne3 38. Qd3 Qd5 39. Qe4 Qxa2+ 40. Kf3 Qd5 41. Qxd5 Nxd5 42. Ne4 Kg6 43. Nc5 Rc6 44. Nd3 Kf5 45. Nc5 a5 46. Re1 Ne3 47. Rb1 Rb6 48. Nd3 Nd5 49. Re1 Nxc3 50. Re5+ Kg6 51. Nxf4+ Kf7 52. h5 b4 53. Rxa5 b3 54. Ra7+ Kg8 55. Ra8+ Kg7 56. Ra7+ Kg8 57. Ra8+ Kg7 58. Ra7+ 1/2-1/2

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.11.01"]
[Round "7"]
[White "Buitrago, Mauricio"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1988"]
[PlyCount "58"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bg5 Bg7 4. Nc3 d5 5. e3 Ne4 6. Bh4 Nxc3 7. bxc3 0-0 8. Nf3 c5 9. Be2 cxd4 10. cxd4 Nc6 11. Qa4 Bg4 12. Rb1 Bc8 13. cxd5 Qxd5 14. Nd2 a6 15. 0-0 Bf5 16. Rxb7 Nxd4 17. exd4 Qxb7 18. Bf3 Qa7 19. Bxa8 Rxa8 20. Nf3 e6 21. Ne5 f6 22. Nc6 Qd7 23. Rc1 Be4 24. f3 Bd5 25. Bg3 Kh8 26. Bf2 Rc8 27. Qxa6 Bxc6 28. d5 exd5 29. Bd4 Bb7 0-1

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.11.01"]
[Round "6"]
[White "Guzman, River"]
[Black "Ossa, Juan Sebastian"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "1938"]
[PlyCount "67"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Bg5 Qa5+ 7. Bd2 Qb6 8. Be3 Bc5 9. Qd3 Qxb2 10. 0-0 Be7 11. Nc3 Nc6 12. Rab1 Qa3 13. f4 0-0 14. Nb3 e5 15. Rfd1 Ne8 16. Nd5 Qd6 17. Bc5 Qe6 18. f5 Bxc5+ 19. Nxc5 Qd6 20. Nxb7 Bxb7 21. Rxb7 Nd4 22. c3 Nc6 23. Qe3 Qa3 24. Nb6 Rb8 25. Rdxd7 Nf6 26. Rxb8 Rxb8 27. Rc7 Nd4 28. Bc4 Rf8 29. Rc8 Rxc8 30. Nxc8 Ng4 31. Qd2 Nc6 32. Bd5 Qc5+ 33. Kf1 Nd8 34. Bb7 0-1

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.10.31"]
[Round "4"]
[White "Guzman, River"]
[Black "Zabala, Fidel"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2092"]
[PlyCount "77"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 d6 5. Nf3 c5 6. c3 e6 7. 0-0 Nc6 8. d4 cxd4 9. cxd4 dxe5 10. dxe5 Qxd1 11. Rxd1 Be7 12. Nc3 a6 13. Bf4 h6 14. Ne4 g5 15. Bg3 Nd7 16. h3 Rg8 17. Rac1 g4 18. hxg4 Rxg4 19. Nd6+ Bxd6 20. exd6 Nf6 21. Rc4 Bd7 22. Bh4 Rxc4 23. Bxc4 Ne4 24. a3 Rc8 25. Ba2 Na5 26. Ne5 Nc6 27. Ng4 f5 28. Nxh6 Kf8 29. f3 Kg7 30. Nxf5+ exf5 31. fxe4 fxe4 32. Rf1 Rf8 33. Rxf8 Kxf8 34. Kf2 Nd4 35. Be7+ Ke8 36. Ke3 Nf5+ 37. Kxe4 Bc6+ 38. Bd5 Nxe7 39. dxe7 1-0

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.10.31"]
[Round "3"]
[White "Patino, Jose David"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "52"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 Nf6 4. e5 Nd5 5. axb4 Nxb4 6. c3 N4c6 7. d4 d6 8. f4 dxe5 9. fxe5 e6 10. Bd3 Be7 11. Nf3 Nd7 12. 0-0 b6 13. Nbd2 Ndxe5 14. Nxe5 Nxe5 15. Be4 Rb8 16. dxe5 Qc7 17. Qf3 0-0 18. Qh3 g6 19. Nf3 a5 20. Bg5 Ba6 21. Bxe7 Qxe7 22. Rf2 Rbc8 23. Nd2 Qc5 24. Nf3 Qxc3 25. Rd1 Qe3 26. Re1 Rc1 0-1

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.10.31"]
[Round "5"]
[White "Salazar, Aura Cristina"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2169"]
[PlyCount "49"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. 0-0 a6 8. Bb3 Qc7 9. Be3 Be7 10. f4 Na5 11. Qf3 b5 12. e5 Bb7 13. Qg3 Nh5 14. Qh3 g6 15. f5 Nxb3 16. axb3 dxe5 17. fxe6 f6 18. Nf5 0-0-0 19. Nxe7+ Qxe7 20. Rfd1 f5 21. Rxd8+ Rxd8 22. Bb6 Rd2 23. Nxb5 Qxe6 24. Qc3+ Bc6 25. Qxd2 1-0

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.10.30"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Guzman, River"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2464"]
[PlyCount "63"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 Bd7 11. Rhg1 b5 12. g4 b4 13. Na4 Na5 14. f3 Nxb3+ 15. axb3 Bxa4 16. bxa4 Nd7 17. Nb3 0-0 18. g5 Nb6 19. Bxb6 Qxb6 20. f4 Rfc8 21. Kb1 Qc7 22. f5 Qc4 23. Qg2 Rab8 24. Rd3 Rc7 25. f6 Bf8 26. Rf1 Rbc8 27. Rf2 Qc6 28. a5 Qb5 29. Rg3 Rc4 30. g6 hxg6 31. Rxg6 Qh5 32. Rxg7+ 1-0

[Event "Cartago op"]
[Site "Cartago"]
[Date "2010.10.30"]
[Round "2"]
[White "Guzman, River"]
[Black "Velasquez, Andres Felipe"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "47"]
[EventDate "2010.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. c3 Qb6 6. dxc5 Bxc5 7. Qe2 d4 8. Nc4 Qd8 9. b4 Be7 10. b5 Na5 11. cxd4 Nf6 12. e5 Nd5 13. Bd2 Nxc4 14. Qxc4 Qb6 15. a4 Bd7 16. Bd3 Rc8 17. Qb3 0-0 18. 0-0 a5 19. Rac1 Rc7 20. h3 Nb4 21. Be4 Rxc1 22. Rxc1 Rc8 23. Be3 Nc6 24. d5 1-0

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.17"]
[Round "7"]
[White "Riascos, Guillermo"]
[Black "Guzman, River"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "36"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. Nf3 dxe4 4. Qa4+ Nc6 5. Qxe4 Nf6 6. Qa4 Bd7 7. Be2 e5 8. 0-0 Be7 9. Qc2 0-0 10. d3 Nd5 11. Re1 f5 12. c4 Ndb4 13. Qd1 e4 14. dxe4 fxe4 15. Nfd2 Bf5 16. a3 e3 17. Nf3 exf2+ 18. Kxf2 Nc2 0-1

